Spider telangiectasis

Definition

A benign vascular ectasia consisting of a central dilated terminal arteriole from which radiate several ectatic capillaries, giving rise to a spider-like appearance.  They occur most commonly on the upper trunk and proximal upper limbs.   Large numbers may develop in association with pregnancy or liver disease.

Exclusions

• Lower limb venous telangiectases (EF20.2)

Also indexed as

Nearby in Acquired malformations of cutaneous blood vessels

• EF20.0Venous lake
• EF20.1Angiokeratoma
• EF20.2Lower limb venous telangiectases
• EF20.4Generalised essential telangiectasia
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified